CPC A61K 47/64 (2017.08) [A61K 31/704 (2013.01); A61P 35/00 (2018.01)] | 6 Claims |
1. A drug delivery system comprising a peptide targeting agent conjugated to a pharmaceutical agent,
wherein the peptide targeting agent is a cyclic or hybrid cyclic linear peptide comprising tryptophan (W), arginine (R), and lysine (K) residues; and wherein the peptide targeting agent comprises,
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